The original script was sold to a major Hollywood studio virtually overnight; the screenwriter was working as a pool boy and driver for the producer; the director was considered an "acid freak" by the studio heads; the star was a 74-year-old actress who didn't know how to drive a car. The film flopped upon release but later became one of the great cult successes of all time. This is the fascinating, never before told story of the making of Harold...